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densk [106]
3 years ago
5

Please someone help me out I don't understand ;-;

Mathematics
1 answer:
Nesterboy [21]3 years ago
7 0

Answer:

Yes

Step-by-step explanation:

90 minutes each - 360 ÷ 4

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Linda and Colleen both leave the library at the same time, but in opposite direction. If Colleen travels 8mph faster than Linda
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X - Linda's speed
(x+8 )- Colleen's speed

8x - Linda's distance for 8 h
8(x+8) = 8x+64  - Colleen's distance for 8 h

8x + 8x + 64 = 176 - distance between Colleen and Linda after 8 h


8x + 8x + 64 = 176 
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9513 rounded to the nearest thousandth is 10,000.

I hope that helped! :>
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(c). Under a set of controlled laboratory conditions, the size of the population P of a certain bacteria culture at time t (in s
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P[t_] := 3t^2 + 3E^t + 10

(E is case-sensitive and must be capitalized. Alternatively, you could use Exp[t]. You can also specify that the argument t must be non-negative by entering a condition via P[t_ ;/ t >= 0], but that's not necessary.)

Then just evaluate P[1], or N[P[1]] or N <at symbol> P[1] or P[1] // N to get a numerical result.

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(P[6] - P[2])/(6 - 2)

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The approximate value is quite large, so I'll just leave its exact value.

In M, the quickest way would be P'[60], or you can differentiate and replace (via ReplaceAll or /.) t with 60 as in D[P[t], t] /. t -> 60.

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The point (3,9) lies in which quadrant?
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